- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/02 - Fuel cellsManufacture thereof Details
Patent holdings for IPC class H01M 8/02
Total number of patents in this class: 4692
10-year publication summary
|
213
|
151
|
107
|
69
|
30
|
41
|
36
|
39
|
44
|
20
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nissan Motor Co., Ltd. | 12966 |
167 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12378 |
156 |
| Honda Motor Co., Ltd. | 26034 |
154 |
| Sumitomo Electric Industries, Ltd. | 16355 |
130 |
| Toyota Motor Corporation | 35813 |
105 |
| Panasonic Corporation | 18962 |
103 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11124 |
80 |
| UTC Power Corporation | 230 |
75 |
| Bloom Energy Corporation | 701 |
73 |
| GM Global Technology Operations LLC | 16155 |
64 |
| Hyundai Motor Company | 24703 |
60 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
59 |
| Audi AG | 7561 |
59 |
| Intelligent Energy Limited | 374 |
55 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6177 |
54 |
| NGK Insulators, Ltd. | 5239 |
52 |
| Murata Manufacturing Co., Ltd. | 25758 |
50 |
| Sumitomo Chemical Company, Limited | 8968 |
46 |
| Kyocera Corporation | 14383 |
45 |
| Daimler AG | 2829 |
45 |
| Other owners | 3060 |